checkdate

Validate a Gregorian date

Syntax

checkdate(int $month, int $day, int $year): bool

Parameters

month

The month is between 1 and 12 inclusive.

day

The day is within the allowed number of days for the given month. Leap years are taken into consideration.

year

The year is between 1 and 32767 inclusive.

Return

Returns true if the date given is valid; otherwise returns false.

Examples

1 · valid

<?

$month = 2;
$day = 29;
$year = 2000;

$return = checkdate($month, $day, $year);

var_export($return);

?>
true

2 · invalid

<?

$month = 2;
$day = 29;
$year = 2001;

$return = checkdate($month, $day, $year);

var_export($return);

?>
false

date

date_add

date_create

date_create_from_format

date_create_immutable

date_create_immutable_from_format

date_date_set

date_default_timezone_get

date_default_timezone_set

date_diff

date_format

date_get_last_errors

date_interval_create_from_date_string

date_interval_format

date_isodate_set

date_modify

date_offset_get

date_parse

date_parse_from_format

date_sub

date_sun_info

date_sunrise

date_sunset

date_time_set

date_timestamp_get

date_timestamp_set

date_timezone_get

date_timezone_set

getdate

gettimeofday

gmdate

gmmktime

gmstrftime

idate

localtime

microtime

mktime

strftime

strptime

strtotime

time

timezone_abbreviations_list

timezone_identifiers_list

timezone_location_get

timezone_name_from_abbr

timezone_name_get

timezone_offset_get

timezone_open

timezone_transitions_get

timezone_version_get

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